201330340 has 24 divisors (see below), whose sum is σ = 423364032. Its totient is φ = 80423520.

The previous prime is 201330331. The next prime is 201330341. The reversal of 201330340 is 43033102.

It is not an unprimeable number, because it can be changed into a prime (201330341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9345 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (17640168).

Almost surely, 2^201330340 is an apocalyptic number.

201330340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201330340 is an abundant number, since it is smaller than the sum of its proper divisors (222033692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201330340 is a wasteful number, since it uses less digits than its factorization.

201330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13587 (or 13585 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 201330340 is about 14189.0922895018. The cubic root of 201330340 is about 586.0973291725.

Adding to 201330340 its reverse (43033102), we get a palindrome (244363442).

The spelling of 201330340 in words is "two hundred one million, three hundred thirty thousand, three hundred forty".